{"id":3681,"date":"2025-06-13T09:01:32","date_gmt":"2025-06-13T09:01:32","guid":{"rendered":"https:\/\/jiayubearing.com\/?post_type=product&#038;p=3681"},"modified":"2025-08-22T09:04:33","modified_gmt":"2025-08-22T09:04:33","slug":"four-row-tapered-roller-bearing","status":"publish","type":"product","link":"https:\/\/jiayubearing.com\/en\/product\/four-row-tapered-roller-bearing\/","title":{"rendered":"Four row tapered roller bearing"},"content":{"rendered":"\n<p>Four row tapered roller bearings are usually used in mill rolling neck,gearbox housing,speed reducer, universal belt,coiler,press roll and roll gang,in which,the work condition for roll bearing is very harsh.<\/p>\n\n\n\n<p>They have less friction compared to other roller bearings and a high radial load capacity.Being generally mounted with interference on the neck of the cylinder, they are particularly suitable for applications on rolling mills with high rolling speeds.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Our products <\/mark><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"3684\" src=\"https:\/\/jiayubearing.com\/wp-content\/uploads\/2025\/06\/5ad24f5763278e385ed299586a741ed-1024x768.jpg\" alt=\"\" class=\"wp-image-3684\"\/><figcaption class=\"wp-element-caption\">_cuva<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"3685\" src=\"https:\/\/jiayubearing.com\/wp-content\/uploads\/2025\/06\/8b9ca04988c1b38453beefd49a71119-1024x768.jpg\" alt=\"\" class=\"wp-image-3685\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"3688\" src=\"https:\/\/jiayubearing.com\/wp-content\/uploads\/2025\/06\/9b136f314a4e7dd5f12a270d50e7bed-1024x768.jpg\" alt=\"\" class=\"wp-image-3688\"\/><figcaption class=\"wp-element-caption\">_cuva<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>Their configuration increases the contact surface between the rollers and the tracks, allowing the bearing to effectively absorb combined loads.<\/p>\n\n\n\n<p>This feature is important for applications that require high precision and reliability under extreme loads.<\/p>\n\n\n\n<p>This functionality is particularly useful to adapt to thermal variations and dynamic loads of rolling mills.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">Application <\/mark><\/strong><\/p>\n\n\n\n<p>Four row tapered roller bearings are used almost in work roll applications such as rolling mills.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Designation<\/td><td>Bore diameter<\/td><td>Outside diameter<\/td><td>Width, total<\/td><td>Basic dynamic load rating<\/td><td>Basic static load rating<\/td><\/tr><tr><td><\/td><td>      mm<\/td><td>    mm<\/td><td>    mm<\/td><td>    KN<\/td><td>      KN<\/td><\/tr><tr><td>382018<\/td><td>140<\/td><td>210<\/td><td>185<\/td><td>1095<\/td><td>2740<\/td><\/tr><tr><td>382930<\/td><td>150<\/td><td>210<\/td><td>165<\/td><td>945<\/td><td>2560<\/td><\/tr><tr><td>382034<\/td><td>170<\/td><td>260<\/td><td>230<\/td><td>1655<\/td><td>4160<\/td><\/tr><tr><td>382040<\/td><td>200<\/td><td>310<\/td><td>275<\/td><td>2320<\/td><td>5880<\/td><\/tr><tr><td>382044<\/td><td>220<\/td><td>340<\/td><td>305<\/td><td>2770<\/td><td>7165<\/td><\/tr><tr><td>382048<\/td><td>240<\/td><td>360<\/td><td>310<\/td><td>2925<\/td><td>7870<\/td><\/tr><tr><td>382952<\/td><td>260<\/td><td>360<\/td><td>265<\/td><td>2415<\/td><td>7100<\/td><\/tr><tr><td>382052<\/td><td>260<\/td><td>400<\/td><td>345<\/td><td>3620<\/td><td>9565<\/td><\/tr><tr><td>381156<\/td><td>280<\/td><td>460<\/td><td>324<\/td><td>4150<\/td><td>9900<\/td><\/tr><tr><td>382960<\/td><td>300<\/td><td>420<\/td><td>300<\/td><td>3175<\/td><td>9305<\/td><\/tr><tr><td>382060<\/td><td>300<\/td><td>460<\/td><td>390<\/td><td>4615<\/td><td>12465<\/td><\/tr><tr><td>381160<\/td><td>300<\/td><td>500<\/td><td>370<\/td><td>5065<\/td><td>12175<\/td><\/tr><tr><td>382064<\/td><td>320<\/td><td>480<\/td><td>390<\/td><td>4760<\/td><td>13195<\/td><\/tr><tr><td>382968<\/td><td>340<\/td><td>460<\/td><td>310<\/td><td>3455<\/td><td>10780<\/td><\/tr><tr><td>381068<\/td><td>340<\/td><td>520<\/td><td>325<\/td><td>4565<\/td><td>11760<\/td><\/tr><tr><td>381168<\/td><td>340<\/td><td>580<\/td><td>425<\/td><td>6670<\/td><td>15980<\/td><\/tr><tr><td>381072<\/td><td>360<\/td><td>540<\/td><td>325<\/td><td>4690<\/td><td>12370<\/td><\/tr><tr><td>381076<\/td><td>380<\/td><td>560<\/td><td>325<\/td><td>4810<\/td><td>12985<\/td><\/tr><tr><td>381176<\/td><td>380<\/td><td>620<\/td><td>420<\/td><td>6980<\/td><td>17370<\/td><\/tr><tr><td>381080<\/td><td>400<\/td><td>600<\/td><td>356<\/td><td>5635<\/td><td>15060<\/td><\/tr><tr><td>381084<\/td><td>420<\/td><td>620<\/td><td>356<\/td><td>5770<\/td><td>15725<\/td><\/tr><tr><td>381184<\/td><td>420<\/td><td>700<\/td><td>480<\/td><td>8895<\/td><td>22110<\/td><\/tr><tr><td>381088<\/td><td>440<\/td><td>650<\/td><td>376<\/td><td>6335<\/td><td>17405<\/td><\/tr><tr><td>381992<\/td><td>460<\/td><td>620<\/td><td>310<\/td><td>4740<\/td><td>14570<\/td><\/tr><tr><td>381092<\/td><td>460<\/td><td>680<\/td><td>410<\/td><td>7115<\/td><td>19845<\/td><\/tr><tr><td>381996<\/td><td>480<\/td><td>150<\/td><td>338<\/td><td>5365<\/td><td>16600<\/td><\/tr><tr><td>381096<\/td><td>480<\/td><td>700<\/td><td>420<\/td><td>7400<\/td><td>21120<\/td><\/tr><tr><td>3810\/500<\/td><td>500<\/td><td>720<\/td><td>420<\/td><td>7550<\/td><td>21910<\/td><\/tr><tr><td>3810\/530<\/td><td>530<\/td><td>780<\/td><td>450<\/td><td>8835<\/td><td>25060<\/td><\/tr><tr><td>3811\/530<\/td><td>530<\/td><td>870<\/td><td>590<\/td><td>13115<\/td><td>34105<\/td><\/tr><tr><td>3819\/560<\/td><td>560<\/td><td>750<\/td><td>368<\/td><td>6595<\/td><td>21015<\/td><\/tr><tr><td>3811\/560<\/td><td>560<\/td><td>920<\/td><td>620<\/td><td>14475<\/td><td>37880<\/td><\/tr><tr><td>3819\/600<\/td><td>600<\/td><td>800<\/td><td>380<\/td><td>7205<\/td><td>23215<\/td><\/tr><tr><td>3810\/600<\/td><td>600<\/td><td>870<\/td><td>480<\/td><td>10325<\/td><td>30115<\/td><\/tr><tr><td>3811\/600<\/td><td>600<\/td><td>980<\/td><td>650<\/td><td>16035<\/td><td>42465<\/td><\/tr><tr><td>3819\/630<\/td><td>630<\/td><td>850<\/td><td>418<\/td><td>8405<\/td><td>26915<\/td><\/tr><tr><td>3810\/630<\/td><td>630<\/td><td>920<\/td><td>515<\/td><td>11645<\/td><td>34005<\/td><\/tr><tr><td>3811\/630<\/td><td>630<\/td><td>1030<\/td><td>670<\/td><td>17325<\/td><td>45975<\/td><\/tr><tr><td>3819\/670<\/td><td>670<\/td><td>900<\/td><td>412<\/td><td>8790<\/td><td>28175<\/td><\/tr><tr><td>3811\/670<\/td><td>670<\/td><td>1090<\/td><td>710<\/td><td>19215<\/td><td>51720<\/td><\/tr><tr><td>3810\/710<\/td><td>710<\/td><td>1030<\/td><td>555<\/td><td>13860<\/td><td>41215<\/td><\/tr><tr><td>3811\/710<\/td><td>710<\/td><td>1150<\/td><td>750<\/td><td>21195<\/td><td>57810<\/td><\/tr><tr><td>3810\/750<\/td><td>750<\/td><td>1090<\/td><td>605<\/td><td>15775<\/td><td>47485<\/td><\/tr><tr><td>3811\/750<\/td><td>750<\/td><td>1220<\/td><td>840<\/td><td>24715<\/td><td>68495<\/td><\/tr><tr><td>3820\/950<\/td><td>950<\/td><td>1360<\/td><td>880<\/td><td>26435<\/td><td>87060<\/td><\/tr><tr><td>3820\/1060<\/td><td>1060<\/td><td>1500<\/td><td>1000<\/td><td>32090<\/td><td>109975<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Four row tapered roller bearings are usually used in mill rolling neck,gearbox housing,speed reducer, universal belt,coiler,press roll and roll gang,in [&hellip;]<\/p>\n","protected":false},"featured_media":3687,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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